245729429 has 4 divisors (see below), whose sum is σ = 268068480. Its totient is φ = 223390380.

The previous prime is 245729423. The next prime is 245729437. The reversal of 245729429 is 924927542.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245729429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245729429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245729423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11169509 + ... + 11169530.

It is an arithmetic number, because the mean of its divisors is an integer number (67017120).

Almost surely, 2^245729429 is an apocalyptic number.

It is an amenable number.

245729429 is a deficient number, since it is larger than the sum of its proper divisors (22339051).

245729429 is a wasteful number, since it uses less digits than its factorization.

245729429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22339050.

The product of its digits is 362880, while the sum is 44.

The square root of 245729429 is about 15675.7592798563. The cubic root of 245729429 is about 626.3528489799.

The spelling of 245729429 in words is "two hundred forty-five million, seven hundred twenty-nine thousand, four hundred twenty-nine".